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Medical Science Mcqs 5254 MCQs [All-Courses]

Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

Which of the following refractory is used to counteract most of the expansion________________?

A Quartz

B Cristobalite

C Tridymite

D Corundum

Review Detailed Answer

Correct Answer: Cristobalite

Passivating alloys are_______________?

A Cr, Al, Ti

B Cr, Mo, Ti

C Cr, Gold, Ti

D Cr, Fe, Ti

Review Detailed Answer

Correct Answer: Cr, Al, Ti

Waxes are used for_______________?

A Primary impression

B Corrective impressions

C Impression of single tooth

D None of the above

Review Detailed Answer

Correct Answer: Corrective impressions

A common electrolyte used for plating copper indirect dies is_______________?

A Copper cynide

B Ionic copper

C Acidic copper sulfate

D Silver cyanide

Review Detailed Answer

Correct Answer: Acidic copper sulfate

Stainless steel is used mostly in dentistry_________________?

A To strength amalgam

B In orthodontic wires

C To construct clasps for partial dentures

D To replace internal gold restorations

Review Detailed Answer

Correct Answer: In orthodontic wires

The base constituents of dental waxes come from three main sources except______________?

A Animal

B Mineral

C Insect

D Vegetable

Review Detailed Answer

Correct Answer: Animal

The standard perforated tray for us with alginate impression materials may be brought to more customized contour by_______________?

A Utility wax

B Base plate wax

C Beading wax

D Boxing wax

Review Detailed Answer

Correct Answer: Utility wax

The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?

A Pinhole porosity

B Gas inclusion porosity

C Micro porosity

D Subsurface porosity

Review Detailed Answer

Correct Answer: Subsurface porosity

Function of carnauba wax_________________?

A To provide a smooth and glossy surface

B Increase toughness

C Decrease toughness

D Decrease flow at room temperature

Review Detailed Answer

Correct Answer: Decrease flow at room temperature

Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?

A Platinum

B Copper

C Silver

D Gold

Review Detailed Answer

Correct Answer: Copper

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Which of the following refractory is used to counteract most of the expansion________________?

Passivating alloys are_______________?

Waxes are used for_______________?

A common electrolyte used for plating copper indirect dies is_______________?

Stainless steel is used mostly in dentistry_________________?

The base constituents of dental waxes come from three main sources except______________?

The standard perforated tray for us with alginate impression materials may be brought to more customized contour by_______________?

The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?

Function of carnauba wax_________________?

Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?